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NEETBotanyPlant - Growth and Development

Read the following Assertion and Reason and choose the correct option. Assertion: Abscisic acid was formerly considered as three different inhibitors Reason: The PGR abscisic acid is a plant growth inhibitor

Options

  1. ABoth Assertion and Reason are true and Reason is correct explanation of Assertion
  2. BBoth Assertion and Reason are true but Reason is not the correct explanation of Assertion
  3. CAssertion is true but the Reason is false
  4. DBoth Assertion and Reason are false

Correct answer

B. Both Assertion and Reason are true but Reason is not the correct explanation of Assertion

Step-by-step solution

During mid-1960s, three independent researches reported the purification and chemical characterisation of three different kinds of inhibitors: inhibitor-B, abscission II and dormin. Later all the three were proved to be chemically identical. It was named abscisic acid (ABA).

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